Power unit for bicycle



FIG. 1 is a rear right perspective view of a power unit for bicycle showing my new design;

FIG. 2 is a front right perspective view thereof;

FIG. 3 is a front left perspective view thereof;

FIG. 4 is a rear left perspective view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a right side elevational view thereof; and,

FIG. 10 is a left side elevational view thereof.

The portions of the power unit shown in broken lines are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a power unit for bicycle, as shown and described. 